🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 11.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.64 AU - 0.72 AU

Year: 368 Days

Day: 10.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,181,880 km

• M1: 139,425 km (0.078 R)
• M2: 531,072 km (0.088 R)
• M3: 899,233 km (0.095 R)
• M4: 1,252,284 km (0.096 R)
• M5: 1,734,737 km (0.067 R)
• M6: 2,141,045 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.5

Radius: 8.7

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.87 AU - 1.01 AU

Year: 598 Days

Day: 10 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,181,880 km

• M1: 108,159 km (0.105 R)
• M2: 382,971 km (0.072 R)
• M3: 671,096 km (0.092 R)
• M4: 967,898 km (0.057 R)
• M5: 1,419,983 km (0.088 R)
• M6: 2,008,052 km (0.072 R)
• M7: 2,382,795 km (0.115 R)
• M8: 2,782,072 km (0.095 R)
• M9: 3,310,152 km (0.105 R)
• M10: 3,585,562 km (0.084 R)
• M11: 3,944,447 km (0.109 R)
• M12: 4,386,210 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 8.8

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.97 AU - 1.07 AU

Year: 676 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,181,880 km

• M1: 124,914 km (0.088 R)
• M2: 406,607 km (0.119 R)
• M3: 712,535 km (0.098 R)
• M4: 1,230,293 km (0.062 R)
• M5: 1,602,193 km (0.091 R)
• M6: 2,115,613 km (0.094 R)
• M7: 2,487,065 km (0.093 R)
• M8: 3,190,324 km (0.038 R)
• M9: 3,498,197 km (0.041 R)
• M10: 3,929,786 km (0.098 R)
• M11: 4,677,028 km (0.119 R)
• M12: 5,496,974 km (0.086 R)
• M13: 5,882,039 km (0.05 R)
• M14: 6,162,385 km (0.09 R)
• M15: 7,169,328 km (0.109 R)
• M16: 7,629,491 km (0.103 R)
• M17: 8,609,208 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.1

Radius: 8.2

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.24 AU - 1.72 AU

Year: 1181 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,181,880 km

• M1: 102,026 km (0.072 R)
• M2: 416,929 km (0.094 R)
• M3: 724,502 km (0.034 R)
• M4: 1,158,187 km (0.107 R)
• M5: 1,443,470 km (0.1 R)
• M6: 1,823,598 km (0.119 R)
• M7: 2,084,946 km (0.085 R)
• M8: 3,305,963 km (0.115 R)
• M9: 3,604,860 km (0.081 R)
• M10: 4,629,605 km (0.044 R)
• M11: 7,021,825 km (0.093 R)
• M12: 8,746,987 km (0.08 R)
• M13: 9,117,392 km (0.083 R)
• M14: 9,468,648 km (0.083 R)
• M15: 10,801,864 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 14.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.46 AU - 1.72 AU

Year: 1315 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,181,880 km

• M1: 179,069 km (0.078 R)
• M2: 675,434 km (0.034 R)
• M3: 1,255,425 km (0.084 R)
• M4: 1,967,661 km (0.117 R)
• M5: 2,769,954 km (0.113 R)
• M6: 3,235,054 km (0.074 R)
• M7: 4,133,688 km (0.049 R)
• M8: 5,688,459 km (0.093 R)
• M9: 6,448,117 km (0.077 R)
• M10: 7,135,818 km (0.107 R)
• M11: 7,921,357 km (0.102 R)
• M12: 8,554,156 km (0.03 R)
• M13: 9,358,095 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 10.7

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.05 AU - 3.07 AU

Year: 2687 Days

Day: 8.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 168.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,181,880 km

• M1: 133,142 km (0.092 R)
• M2: 474,824 km (0.055 R)
• M3: 817,403 km (0.096 R)
• M4: 1,299,856 km (0.096 R)
• M5: 1,655,450 km (0.106 R)
• M6: 2,040,066 km (0.106 R)
• M7: 2,775,938 km (0.118 R)
• M8: 3,155,917 km (0.104 R)
• M9: 3,516,896 km (0.075 R)
• M10: 3,963,446 km (0.081 R)
• M11: 4,322,930 km (0.084 R)
• M12: 5,632,958 km (0.107 R)
• M13: 6,219,831 km (0.042 R)
• M14: 7,075,082 km (0.07 R)
• M15: 7,851,345 km (0.032 R)
• M16: 8,228,182 km (0.054 R)
• M17: 9,052,616 km (0.114 R)
• M18: 9,432,295 km (0.082 R)
• M19: 10,335,118 km (0.093 R)
• M20: 10,788,550 km (0.11 R)
• M21: 13,038,651 km (0.077 R)
• M22: 14,765,310 km (0.119 R)
• M23: 15,683,691 km (0.112 R)
• M24: 16,031,357 km (0.089 R)
• M25: 16,537,147 km (0.114 R)
• M26: 17,794,368 km (0.116 R)
• M27: 18,227,304 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 14.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.25 AU - 6.39 AU

Year: 8050 Days

Day: 8.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,181,880 km

• M1: 180,265 km (0.118 R)
• M2: 660,774 km (0.074 R)
• M3: 1,277,865 km (0.073 R)
• M4: 2,640,103 km (0.036 R)
• M5: 3,726,782 km (0.098 R)
• M6: 4,410,744 km (0.057 R)
• M7: 5,375,351 km (0.095 R)
• M8: 7,185,485 km (0.062 R)
• M9: 8,058,688 km (0.06 R)
• M10: 8,521,244 km (0.03 R)
• M11: 10,552,335 km (0.071 R)
• M12: 11,296,285 km (0.064 R)
• M13: 12,733,771 km (0.075 R)
• M14: 14,969,960 km (0.12 R)
• M15: 17,778,061 km (0.107 R)
• M16: 19,581,164 km (0.108 R)
• M17: 20,993,219 km (0.105 R)
• M18: 29,540,792 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.9

Radius: 6

Gravity: 19.83 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.09 AU - 11.45 AU

Year: 21591 Days

Day: 17.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,181,880 km

• M1: 74,649 km (0.097 R)
• M2: 292,464 km (0.104 R)
• M3: 531,970 km (0.057 R)
• M4: 986,149 km (0.053 R)
• M5: 1,252,882 km (0.101 R)
• M6: 1,550,133 km (0.106 R)
• M7: 1,817,165 km (0.102 R)
• M8: 2,537,928 km (0.095 R)
• M9: 3,042,671 km (0.119 R)
• M10: 4,960,217 km (0.105 R)
• M11: 5,343,786 km (0.098 R)
• M12: 6,659,200 km (0.068 R)
• M13: 7,367,396 km (0.088 R)
• M14: 10,458,238 km (0.042 R)
• M15: 11,282,671 km (0.031 R)
• M16: 12,564,426 km (0.106 R)
• M17: 13,276,512 km (0.072 R)
• M18: 23,076,070 km (0.057 R)
• M19: 26,030,030 km (0.089 R)
• M20: 28,981,296 km (0.08 R)
• M21: 31,756,636 km (0.078 R)
• M22: 32,148,283 km (0.102 R)
• M23: 33,342,523 km (0.074 R)
• M24: 39,010,038 km (0.108 R)
• M25: 40,063,656 km (0.099 R)
• M26: 40,520,977 km (0.095 R)
• M27: 42,070,512 km (0.111 R)
• M28: 43,338,204 km (0.088 R)
• M29: 46,116,236 km (0.106 R)
• M30: 46,786,734 km (0.067 R)
• M31: 56,104,138 km (0.118 R)
• M32: 61,194,655 km (0.036 R)
• M33: 64,059,304 km (0.072 R)
• M34: 72,282,550 km (0.096 R)
• M35: 72,960,228 km (0.102 R)
• M36: 74,788,015 km (0.118 R)
• M37: 79,730,728 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 10,877 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit